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70356-03-5生产厂家

70356-03-5价格

70356-03-5

70356-03-5结构式
70356-03-5结构式

化源商城直购

中文名 头孢克洛
英文名 Cefaclor Monohydrate
中文别名 [6R-[6Α,7Β(R^^)]]-7-[(氨基苯基乙酰基)氨基]-3-氯-8-氧代-5-硫杂-1-氮杂二环[4.2.01-2-辛烯-2-羧酸单水合物
头孢氯氨苄(一水物)
8-(2-氨基-2-苯基乙酰基)氨基-4-氯-7-氧代-2-硫杂-6-氮杂双环[4.2.0]辛-4-烯-5-羧酸一水物
头孢克洛一水合物
英文别名 MFCD00071999
Cefaclor monohydrate
EINECS 258-909-5
沸点 713.4ºC at 760 mmHg
熔点 >180ºC (dec.)
分子式 C15H16ClN3O5S
分子量 385.82300
闪点 385.2ºC
精确质量 385.05000
PSA 147.26000
LogP 1.58610
外观性状 白色晶体粉末
储存条件

库房低温通风干燥

分子结构

1、 摩尔折射率:89.61

2、 摩尔体积(cm3/mol):226.4

3、 等张比容(90.2K):687.4

4、 表面张力(dyne/cm):84.9

5、 极化率(10-24cm3):35.52

更多

1.性状:白色或类白色结晶性粉末。

2.溶解性:溶于水,几不溶于甲醇、氯仿或苯。

毒理学数据:

腹腔-大鼠 LD50: 1259 毫克/公斤; 腹腔小鼠 LD50: 400 毫克/公斤

CHEMICAL IDENTIFICATION

RTECS NUMBER :
XI0365000
CHEMICAL NAME :
5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, 7-((aminophenylacetyl)amino)-3- chloro-8-oxo-, monohydrate, (6R-(6-alpha,7-beta(R*)))-
CAS REGISTRY NUMBER :
70356-03-5
LAST UPDATED :
199706
DATA ITEMS CITED :
8
MOLECULAR FORMULA :
C15-H14-Cl-N3-O4-S.H2-O
MOLECULAR WEIGHT :
385.85

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>20 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970- Volume(issue)/page/year: 13,637,1982
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1259 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970- Volume(issue)/page/year: 13,637,1982
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
4838 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970- Volume(issue)/page/year: 13,637,1982
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>20 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970- Volume(issue)/page/year: 13,637,1982
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1227 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970- Volume(issue)/page/year: 13,637,1982
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
4180 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970- Volume(issue)/page/year: 13,637,1982
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
>1 gm/kg
TOXIC EFFECTS :
Gastrointestinal - nausea or vomiting
REFERENCE :
PMESAJ Postgraduate Medical Journal, Supplement. (Blackwell Scientific Pub. Ltd., POB 88, Oxford, UK) V.1- 1949- Volume(issue)/page/year: 55(Suppl 4),17,1979
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Primate - monkey
DOSE/DURATION :
>1 gm/kg
TOXIC EFFECTS :
Gastrointestinal - hypermotility, diarrhea
REFERENCE :
PMESAJ Postgraduate Medical Journal, Supplement. (Blackwell Scientific Pub. Ltd., POB 88, Oxford, UK) V.1- 1949- Volume(issue)/page/year: 55(Suppl 4),17,1979

符号 GHS08
GHS08
信号词 Danger
危害声明 H317-H334
警示性声明 P261-P280-P284-P304 + P340-P333 + P313-P342 + P311
危害码 (欧洲) Xn,Xi
风险声明 (欧洲) 42/43-36
安全声明 (欧洲) 22-36/37-45
危险品运输编码 NONH for all modes of transport
RTECS号 SJ6069000
海关编码 3004201500

以青霉素G为原料。先用对硝基苄基把青霉素G上的羧基保护起来,然后用双氧水或过氧乙酸氧化成亚砜。在N-氯代丁二酰亚胺或N-氯代磷苯二甲酰胺等作用下,进行氯化和扩环。先臭氧化后还原,使3位形成羟基。然后先在三氯化磷下,使3位转化为氯代;再在五氯化磷和吡啶作用下,接着醇解7位形成游离的氨基的盐酸盐,即7-氨基-3-氯-3-头孢烯-4-羧酸对硝基苄酯的盐酸盐。其溶于四氢呋喃和甲醇的溶液中,加入5%钯-炭的乙醇溶液,在室温和0.35MPa的氢压下氢化反应45min。过滤,滤饼用四氢呋喃和水洗。蒸发溶剂至干。剩余物溶入水和乙酸乙酯的混合液中,Ph值调至3,析出固体,过滤,并用丙酮浸泡,然后干燥即为7-氨基-3-氯-3-头孢烯-4-羧酸。将其溶入乙腈中,在室温搅拌下加入N,O-双(三甲基硅)乙酰胺,使形成可溶性的双硅酯。冷至0℃,在二滴N,N-二甲基苄胺存在下,缓慢加入3-(β-羧基苄胺)丁烯酸甲酯的钠盐和氯甲酸甲酯在乙腈的反应液中。该混合液继续在冰浴中搅拌2h,加入甲醇,过滤除去不溶物。再加入水,调Ph值至1.5,再用三乙胺调至4.5。在水浴上再搅拌1h,过滤析出的结晶性沉淀,用乙腈洗,真空干燥得头孢克洛。

70356-03-5 preparation

70356-03-5 preparation
前面得到的游离氨基的盐酸盐,可以先直接和叠氮苯乙酸反应,然后氢解也可得到头孢克罗,其反应较简单。

70356-03-5 preparation

海关编码 3004201500